Blockchain intelligence APIs agents can buy directly

Best for one-wallet triage

Fast single-wallet triage before buying deeper analysis.

Best for short wallet lists

Screen multiple wallets and choose escalation targets.

Best for wallet risk investigation

Investigate flows, counterparties, exposure, and attention signals.

Best for report-ready wallet investigation

Generate report-ready wallet investigation output.

Best for shareable report handoff

Create an unlisted report handoff for downstream review.

Best for transaction status checks

Confirm transaction status, fee, method, and finality context.

Best for plain-language transaction review

Understand what a transaction did in plain language.

Best for pre-spend x402 checks

Check before an agent pays an x402 resource.

Best for seller receiver review

Inspect public seller and payment-receiver signals.

Best for x402 authenticity screening

Evaluate heuristic x402 authenticity signals.

Best for post-payment verification

Verify a payment after it is made.

Best for agent wallet classification

Classify agent wallet and delegation signals.

Best for mandate evidence review

Compare public payment evidence with a declared mandate.

Best for agent payment trust

Audits sanitized AP2-style mandate facts for missing autonomous-purchase constraints.

Best for agent payment trust

Compares sanitized autonomous-task facts against wallet policy coverage.

Best for agent payment trust

Reconciles sanitized autonomous-purchase intent facts against receipt facts.

Best for agent payment trust

Scores signed offer and receipt metadata for paid-service delivery confidence.

Best for agent payment trust

Compares mandate, signed offer, and receipt facts for agent-commerce evidence fit.

Best for agent payment trust

Buyers need confidence that wallet, agent card, domain label, MCP server, seller profile, and x402 receiver belong together.

Best for agent payment trust

Turns route, facilitator, and network facts into a simple pay-now, retry-later, or inspect-first signal.

Best for failed request repair

Diagnose a failed agent request and get safe retry steps.

Best for autonomous commerce controls

Builds a bounded directed multigraph from caller-supplied delegation and purchase history, evaluates stable policy thresholds, and returns allow, review, or block.

Best for autonomous commerce controls

Validates a dependency graph, samples explicit latency and retry models with a reproducible seed, and summarizes economic risk.

Best for autonomous commerce controls

Uses only caller-supplied principal, delegation, wallet, seller, and spend-event links to score control-bypass signals.

Best for autonomous commerce controls

Creates or verifies a compact proof that a human approved the bounded action.

Best for autonomous commerce controls

Checks payment/authority separation, root intent trust, delegate scope, signed target binding, target eligibility, and outbound activation state.

Best for autonomous commerce controls

Detect caller-supplied micropurchase fragmentation before an autonomous purchase proceeds.

Best for autonomous commerce controls

Scan supplied recommendation, seller, and relationship evidence for conflict-of-interest review signals.

Best for autonomous commerce controls

Compares caller-supplied options and estimates which evidence is most useful before buying more checks.

Best for autonomous commerce controls

Records or checks evidence-backed limitations so buyers know what an agent says it cannot do.

Best for autonomous commerce controls

Evaluate signed agent-version continuity before reputation transfer.

Best for autonomous commerce controls

Checks whether timestamps, blocks, finality, and validity windows line up before trusting an event.

Best for autonomous commerce controls

Select the least-cost verification provider set that satisfies coverage, confidence, independence, and budget policy.

Best for autonomous commerce controls

Checks supplied continuity signals before trusting reputation from a previous agent identity.

Best for autonomous commerce controls

Shows when several agents or services rely on the same hidden provider or fragile dependency.

Best for autonomous commerce controls

Plan and authorize migration from one opted-in service to one opted-in target, with outbound disabled by default.

Best for discovery and failure repair

Checks caller-supplied x402 and agent discovery documents for path, price, currency, network, and routing consistency.

Best for discovery and failure repair

Compares caller-supplied x402 catalog, OpenAPI, MCP/tool metadata, and unpaid challenge samples for endpoint, method, price, currency, network, receiver, and tool drift.

Best for discovery and failure repair

Lints caller-submitted agent API, MCP, and x402 response samples for machine-actionable contract completeness without making network calls.

Best for discovery and failure repair

Classifies sanitized x402 failure facts into safe diagnostic causes without replaying payments or storing raw logs.

Best for discovery and failure repair

Compares supplied route, OpenAPI, MCP, and x402 metadata to find breaking operation changes.

Best for discovery and failure repair

Normalizes sanitized agent-commerce error facts into a stable taxonomy.

Best for discovery and failure repair

Checks payment identifiers and retry facts for duplicate-charge and privacy risk before retrying.

Best for discovery and failure repair

Turns failed-payment facts into safe next steps such as retry, reroute, inspect receipt, or stop.

Best for discovery and failure repair

Checks caller-supplied HTTP 402 cache and paid-route facts for leakage risk.

Best for discovery and failure repair

Checks sanitized order, webhook, shipment, delivery, return, refund, and adjustment facts for continuity.

Best for evidence and provenance

Summarizes recent BMM x402 payment-log activity for a payee, chain, currency, and optional paid resource path.

Best for evidence and provenance

Creates or verifies hash-only proof that a paid x402 response existed without storing the raw response.

Best for evidence and provenance

Checks hash-only evidence that an x402 payment receiver changed through an announced rotation.

Best for evidence and provenance

Tracks whether a paid agent response became less complete or less machine-actionable across releases.

Best for evidence and provenance

Checks hash-only latency evidence for a paid tool without storing raw logs or payment material.

Best for evidence and provenance

Checks x402 offer metadata for replay-hygiene controls.

Best for evidence and provenance

Buyer agents often see a price and promise but no useful preview that proves what the paid result will contain.

Best for evidence and provenance

Compares public agent claims against sample or docs evidence and labels what is backed, weak, or missing.

Best for evidence and provenance

Checks whether the public proof and sample output justify the price a buyer agent is about to pay.

Best for evidence and provenance

Buyer agents and marketplaces cannot quickly tell whether public release notes matter to their workflows.

Best for evidence and provenance

Turns payment, receipt, buyer, seller, route, and result facts into a structured money trail.

Best for evidence and provenance

Builds an ordered timeline showing where an autonomous spend flow was safe, uncertain, failed, or complete.

Best for evidence and provenance

Packages request, payment, delivery, receipt, and mismatch facts for a paid-agent dispute.

Best for evidence and provenance

Runs a supplied agent-commerce mission plan through payment, authorization, proof, and rollback checks before launch.

Best for protocol and mcp reliability

Normalizes safe x402 challenge metadata from multiple provider formats.

Best for protocol and mcp reliability

Compares caller-supplied x402 facilitator cost facts for buyer-agent routing.

Best for protocol and mcp reliability

Normalizes safe agent-commerce profile facts across x402, MCP, and AP2-style surfaces.

Best for protocol and mcp reliability

Checks x402 price display units for decimal, atomic-unit, currency, and network consistency.

Best for protocol and mcp reliability

Scores supplied facilitator facts to decide whether a payment path looks ready for production use.

Best for protocol and mcp reliability

Plans safer x402 network, token, amount-format, and transfer-method routing from caller facts.

Best for protocol and mcp reliability

Advises whether a route should use dollar pricing or explicit token amount metadata.

Best for protocol and mcp reliability

Explains buyer-agent approval friction for EIP-3009, Permit2, and unsupported transfer methods.

Best for protocol and mcp reliability

Builds an advisory failover ladder for caller-supplied x402 facilitator and network options.

Best for protocol and mcp reliability

Maps paid MCP tool surfaces against x402 routes and possible unpaid aliases.

Best for protocol and mcp reliability

Grades tool names, descriptions, schemas, and output labels for buyer-agent clarity.

Best for protocol and mcp reliability

Classifies one-shot MCP paid-tool metadata changes for buyer-agent compatibility risk.

Best for protocol and mcp reliability

Checks MCP server release metadata for registry and paid-tool readiness.

Best for protocol and mcp reliability

Creates safe fixture scenario recommendations for agent-commerce payment and checkout tests.

Best for protocol and mcp reliability

MCP servers can expose sampling behavior that is hard for buyers to understand before connecting or paying.

Best for protocol and mcp reliability

Labels MCP resources as docs, schemas, logs, user data, or secrets-risk based on supplied resource metadata.

Best for protocol and mcp reliability

Checks MCP app metadata for schema, action, privacy, auth, UI, and review-readiness blockers.

Best for finance ops

Classifies sanitized agent spend facts into operational categories.

Best for finance ops

Orders paid tools from low-cost first checks to higher-cost follow-up calls when justified.

Best for finance ops

Maps aggregate high-volume low-value machine-payment facts for treasury dust and reconciliation risk.

Best for finance ops

Shows whether paid-agent endpoints are priced, discoverable, converting, or leaking unpaid access.

Best for finance ops

Labels unusual cross-agent payment graph patterns without making fraud or wrongdoing claims.

Best for finance ops

Operators buying many small paid agent services need to know which calls produced useful value.

Best for privacy and policy

Audits sanitized MCP paid-tool permission scope declarations.

Best for privacy and policy

Simulates sanitized buyer-agent payment workloads against wallet spend-policy facts.

Best for privacy and policy

Checks whether a bounded spend permission fits a caller-supplied paid-agent workload.

Best for privacy and policy

Classifies commerce schema fields for buyer-data minimization risk.

Best for privacy and policy

Audits sanitized MCP elicitation prompts and consent facts for scope and record gaps.

Best for checkout and buyer ux

Simulates caller-supplied agent checkout state facts for readiness gaps.

Best for checkout and buyer ux

Compares agent-commerce quote, checkout, final payment, and order totals for unexplained deltas.

Best for checkout and buyer ux

Compares seller checkout facts with caller-supplied agent-rendered buyer views.

Best for checkout and buyer ux

Audits paid MCP/tool confirmation prompts for clear buyer spend consent.

Best for checkout and buyer ux

Classifies timeout, cancellation, partial result, retry, and charge-policy facts for paid work boundaries.

Best for checkout and buyer ux

Checks whether terms, refund, support, license, and usage-policy links are available before purchase.

Best for checkout and buyer ux

Maps caller-supplied agent-commerce role facts into payment, fulfillment, support, and refund boundaries.

Best for checkout and buyer ux

Maps payment rails, handlers, tokens, networks, wallet requirements, and buyer disclosures.

Best for a2a and delegation

Checks whether a public Agent Card includes enough identity, skill, security, signature, and docs evidence.

Best for a2a and delegation

Buyer agents need to choose the right remote skill without executing tasks or trusting vague service descriptions.

Best for a2a and delegation

Checks whether an agent-to-agent handoff has the required payload, mode, auth, status, and failure details.

Best for a2a and delegation

Checks whether an Agent Card is signed, unverifiable, missing a key, or ready for later verification.

Best for a2a and delegation

Workflow builders can see multiple public agents but cannot quickly map which one should lead, specialize, validate, or be excluded.

Best for a2a and delegation

Human-not-present purchases need constraint simulation before an autonomous buyer attempts payment.

Best for a2a and delegation

Checks two Agent Cards and task facts to decide whether to delegate, negotiate, or avoid delegation.

Best for a2a and delegation

Summarizes whether a paid service is understandable, evidenced, limited, and worth using.

Best for marketplace and aso

Buyer agents see multiple similar services but lack one normalized board for price visibility, proof, limitations, and fit.

Best for marketplace and aso

Builds a five-step buyer journey from public service metadata, sample output, proof, limits, and support.

Best for marketplace and aso

Buyer agents can land on public docs but fail to find service purpose, examples, price, limitations, and support path.

Best for marketplace and aso

Public discovery snippets often fail to state who the agent serves, what it does, what it costs, what proof it returns, and what it does not do.

Best for marketplace and aso

Ranks which API endpoints are strongest candidates to become paid x402 agent products.

Best for marketplace and aso

Reviews listing metadata and suggests clearer price, proof, limits, and value copy for buyer agents.

Best for marketplace and aso

Builds a buyer-ready demo packet from selected BMM agents, proof links, missing evidence, and next steps.